English

We study in detail the optimization of its function by making a geometric definition of the section, which allows the proper use of its activity.

The tunnels have various systems, generically called security facilities, which must guarantee their effective operation, with an emphasis on the definition of exploitation and in emergency conditions.

The environment in which they are normally found is in aggressive areas and their use is continuous, so we must maintain a good level of services and adequate maintenance.

The Tunnels are governed by safety standards, in order to ensure that the equipment works correctly, carrying out periodic inspections, in a systematic and independent way.